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BraintrustBraintrustNew York, NY

Software Engineer, Product

Builds high-performance UI features for AI observability platform, including prompt playgrounds, management systems, human review tools, and LLM analysis. Requires expert TypeScript, React, NextJS, SQL skills; startup experience preferred.

Salary not listed
On-siteFullstack Engineering

About the role

Responsibilities

  • Ensure customers have a frictionless experience for enabling AI observability in their systems.
  • Contribute to foundation UI architecture focusing on performance and efficient data loading patterns.
  • Build user-facing pieces of Braintrust, including:
    • First-class prompt playground experience supporting multiple models across thousands of user inputs.
    • System for prompt management, configuration, and versioned comparisons.
    • Fully multiplayer, scalable human review system.
    • LLM output analysis and comparison across arbitrarily large datasets.

Requirements

Expert-level understanding of:

  • TypeScript
  • React
  • HTML
  • CSS
  • SQL
  • NextJS

Preferred:

  • Previous experience founding or working at startups.
  • Has written prompts / tinkered with GPT models and apps.

Benefits

  • Medical, dental, and vision insurance.
  • Daily lunch, snacks, and beverages.
  • Flexible time off.
  • Competitive salary and equity.
  • AI Stipend.

Skills

TypeScriptReactNext.jsSQLHTMLCSS
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